Transcription of Continuous and discontinuous variation
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Continuous and discontinuous variation
Continuous and discontinuous variation variation , the small differences that exist between individuals, can be described as being either discontinuous or Continuous . discontinuous variation This is where individuals fall into a number of distinct classes or categories, and is based on features that cannot be measured across a complete range. You either have the characteristic or you don't. Blood groups are a good example: you are either one blood group or another - you can't be in between. Such data is called discrete (or categorical) data. Chi-squared statistical calculations work well in this case. discontinuous variation is controlled by alleles of a single gene or a small number of genes. The environment has little effect on this type of variation .
Continuous variation In continuous variation there is a complete range of measurements from one extreme to the other. Height is an example of continuous variation - individuals can have a complete range of heights, for example, 1.6, 1.61, 1.62, 1.625 etc metres high. Other examples of continuous variation include:
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